Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...

Detroit receives failing grades for number of unhealthy smog days per year, and its year-round levels of soot pollution.

People of color were disproportionately exposed to air ... Beach area is the country’s worst city for ozone pollution, or smog. A combination of factors, including heavy traffic, industry ...

The Lung Association ranked Grand Rapids 27th worst in the nation for smog levels. Experts say this can lead to devastating ...

Five parts of California, including San Diego County, were listed among the top 10 for smog in the U.S. by the American Lung Association in a report released Wednesday. The San Diego-Chula Vista ...

The American Lung Association has released the 2025 “State of the Air” report, which reveals the quality of the air across ...

Every year, the American Lung Association compiles a report measuring different kinds of air pollution levels — and in 2025, ...

It would take years for scientists to piece together the puzzle of this Los Angeles smog and decades to implement policies to improve the air we all breathe. Today, scientists are able to monitor the ...

The Pittsburgh region’s air is among the most polluted in the country, according to a study by the American Lung Association.